Southwest Sale, Save Up to 40% on Base Fares
Southwest Airlines has launched a new fare sale today, offering up to a 40% discount on base fares. You must book by October 23 for travel between December 3, 2025 and March 4, 2026. Let’s see the details of the offer below.
The Offer
Use promotion code 40SALEÂ Â by October 23, 2025 to save up to 40% on flights. Offer valid for travel between:
- December 3, 2025 March 4, 2026 for continental U.S. travel, as well as for continental U.S. travel to/from international, Hawaii, and Puerto Rico
Key Terms
- Restrictions and exclusions apply.
- Seats and days limited.
- Discount is applied before government taxes and fees.
- Blackout dates apply.
- Interisland Hawaii travel is excluded.
Conclusion
With this latest sale from Southwest you can save up to 40% on base fares when booking by October 23rd and using promo code 40SALE. But bags no longer fly free unless you have A-List status or a Southwest card.